The retailer’s airline service, Amazon Air, now serves more than 40 US airports. Amazon Air packages will arrive in Pittsburgh daily via a Boeing 737-800F freighter, extending service to customers in western Pennsylvania.

The company will lease 50,000 square feet of space at PIT which will include an on-site parcel sorting area. The facility is expected to support more than 50 jobs, airport officials said.

“We are delighted that Amazon is continuing to invest in the region with the addition of Amazon Air operations at our airport,” said Christina Cassotis, CEO of Pittsburgh International Airport, in a statement. “We welcome Amazon Air and look forward to building our partnership. This announcement is a major step in the positioning of PIT as an international logistics center. ”

PIT has steadily increased its air cargo business, reporting a 29% year-over-year increase in cargo traffic in March, the most recent month for which data is available. In April, the airport welcomed international carrier Finnair, which operated short-term non-stop cargo flights from Helsinki-Vantaa Airport in Finland, and in December Qatar Airways resumed cargo operations at PIT. FedEx and UPS also increased their operations at the PIT, with carriers increasing their flights year-over-year by 46% and 83% respectively in March, airport officials said.